13144231424 has 40 divisors (see below), whose sum is σ = 26451874680. Its totient is φ = 6524798976.

The previous prime is 13144231421. The next prime is 13144231433. The reversal of 13144231424 is 42413244131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13144231421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21179 + ... + 163514.

It is an arithmetic number, because the mean of its divisors is an integer number (661296867).

Almost surely, 2^13144231424 is an apocalyptic number.

It is an amenable number.

13144231424 is an abundant number, since it is smaller than the sum of its proper divisors (13307643256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13144231424 is an equidigital number, since it uses as much as digits as its factorization.

13144231424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184850 (or 184834 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

Adding to 13144231424 its reverse (42413244131), we get a palindrome (55557475555).

The spelling of 13144231424 in words is "thirteen billion, one hundred forty-four million, two hundred thirty-one thousand, four hundred twenty-four".